[PATCH net-next 11/19] rxrpc: Access socket accept queue under right lock
From: David Howells <dhowells@redhat.com>
Date: 2016-06-30 14:13:05
Also in:
lkml
Subsystem:
networking [general], rxrpc sockets (af_rxrpc), the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Howells, Marc Dionne, Linus Torvalds
The socket's accept queue (socket->acceptq) should be accessed under socket->call_lock, not under the connection lock. Signed-off-by: David Howells <dhowells@redhat.com> --- net/rxrpc/call_event.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/rxrpc/call_event.c b/net/rxrpc/call_event.c
index 638d66df284a..fc32aa5764a2 100644
--- a/net/rxrpc/call_event.c
+++ b/net/rxrpc/call_event.c@@ -1089,7 +1089,7 @@ void rxrpc_process_call(struct work_struct *work) if (call->state == RXRPC_CALL_SERVER_SECURING) { _debug("securing"); - write_lock(&call->conn->lock); + write_lock(&call->socket->call_lock); if (!test_bit(RXRPC_CALL_RELEASED, &call->flags) && !test_bit(RXRPC_CALL_EV_RELEASE, &call->events)) { _debug("not released");
@@ -1097,7 +1097,7 @@ void rxrpc_process_call(struct work_struct *work) list_move_tail(&call->accept_link, &call->socket->acceptq); } - write_unlock(&call->conn->lock); + write_unlock(&call->socket->call_lock); read_lock(&call->state_lock); if (call->state < RXRPC_CALL_COMPLETE) set_bit(RXRPC_CALL_EV_POST_ACCEPT, &call->events);